203 CDUS46 KMTR 140828 CLISFO CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT SUN SEP 14 2014 ................................... ...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1927 TO 2014 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 75 1238 PM 101 1971 74 1 66 MINIMUM 60 631 AM 47 1947 56 4 57 AVERAGE 68 65 3 62 PRECIPITATION (IN) YESTERDAY 0.00 0.27 2009 0.00 0.00 0.00 MONTH TO DATE 0.00 0.04 -0.04 0.00 SINCE JUL 1 T 0.08 -0.08 T SINCE JAN 1 7.31 13.16 -5.85 1.89 SNOWFALL (IN) YESTERDAY 0.0 0.0 MONTH TO DATE 0.0 SINCE SEP 1 0.0 SINCE JUL 1 0.0 DEGREE DAYS HEATING YESTERDAY 0 2 -2 3 MONTH TO DATE 3 26 -23 3 SINCE SEP 1 3 26 -23 3 SINCE JUL 1 23 139 -116 118 COOLING YESTERDAY 3 2 1 0 MONTH TO DATE 32 26 6 30 SINCE SEP 1 32 26 6 30 SINCE JAN 1 285 123 162 130 .................................................................. WIND (MPH) RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300) HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 12.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 1200 AM LOWEST 57 100 PM AVERAGE 74 .......................................................... THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 74 103 1971 MINIMUM TEMPERATURE (F) 56 46 1947 SUNRISE AND SUNSET SEPTEMBER 14 2014.....SUNRISE 651 AM PDT SUNSET 719 PM PDT SEPTEMBER 15 2014.....SUNRISE 651 AM PDT SUNSET 717 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$